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Finding the Fourth Proportional to 57,710.88, 79,642.44 and 32,562

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Solution

The fourth proportional to 57,710.88, 79,642.44 and 32,562 is: 44,936.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,710.88 : 79,642.44 = 32,562 : x
  2. Step 2: Convert to fraction form
    57,710.88/79,642.44 = 32,562/x
  3. Step 3: Cross multiply
    57,710.88x = 79,642.44 × 32,562
  4. Step 4: Simplify right side
    57,710.88x = 2,593,317,131.28
  5. Step 5: Solve for x
    x = 2,593,317,131.28/57,710.88
  6. Step 6: Final answer
    x = 44,936.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.